The 5Spice business will close at the end in 2018 (see the Register/Buy page for details). It is no longer possible for un-registered users to register the program = no way for new or un-registered users to unlock program features. However you are welcome to download and use the program with its limited features.

Registration and license5Spice is copyrighted software. You may download and use the software for any legal purpose. You may not modify it. Links to this website are OK.

The download is approximately 11 Meg and includes the WinSpice simulation engine.

Once you have tried the program, check the LINKS page for manufacturers' models to download and add to the program’s model library.

Compatibility5Spice 2.0 can read the older version 1.xx schematic files. 5Spice 2.0 saves its information in a new file format.

System RequirementsWindows 10, 8 or 7 on a Windows compatible computer. Runs in Windows on Apple computers. Not for Windows emulators. 800x600 or higher screen resolution.

Installation Notes5Spice 2.0 is a separate program from version 1.xx and should be installed in a separate directory. The install program will do this automatically.

You do not need to un-install an older version of 5Spice 2.0 to install the latest version.